How Many Undocumented
The Numbers Behind The U.S.-Mexico Migration Talks
There are more than 5 million unauthorized workers in the U.S. economy. This study estimates that these workers have become a very substantial presence in the sectors where they are concentrated. More than a million undocumented persons are employed in manufacturing and a similar number in the service industries. More than 600,000 work in construction and more than 700,000 in restaurants.